From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Missing surround channels with Nvidia HDMI & snd-hda-intel driver Date: Mon, 13 Nov 2017 20:03:07 +0100 Message-ID: References: Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id D72912673B9 for ; Mon, 13 Nov 2017 20:03:07 +0100 (CET) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: VDR User Cc: "mailing list: alsa-dev" List-Id: alsa-devel@alsa-project.org On Mon, 13 Nov 2017 18:18:39 +0100, VDR User wrote: > > Hi Takashi, > > Thanks for your reply. I have no clue unfortunately as I just noticed > it now. Is there a previous kernel you could recommend I try prior to > any or big changes to how snd-hda-intel works? Well, nothing I can think of for now, that's why I asked about testing the older kernel. I'd do a bisection, e.g. try stable kernels like 4.4.x or 4.9.x, depending on the "previously working" version you remember, then go to the middle between them if it hits the regression. Takashi > > -Derek > > On Mon, Nov 13, 2017 at 8:40 AM, Takashi Iwai wrote: > > On Sun, 12 Nov 2017 19:01:14 +0100, > > VDR User wrote: > >> > >> Hi. I just noticed that I'm missing some surround channels and I think > >> it may be a bug in the alsa drivers because my current setup used to > >> work just fine. > > > > If it's a regression, which kernel did work and which started a > > regression? This alone would be a good help for tracking down the > > problem. > > > > > > Takashi > > > >> I'm running Debian Testing, stable kernel 4.13.12, > >> alsa-utils 1.1.3-1. My ~/.asoundrc is: > >> > >> ~$ cat .asoundrc > >> pcm.!default "hdmi:NVidia,1" > >> ~$ > >> > >> I am not setting anything on my kernel load line: > >> > >> echo 'Loading Linux 4.13.12-amd ...' > >> linux /vmlinuz-4.13.12-amd > >> root=UUID=6df5733d-b089-450c-9ec6-661dd013c7c0 ro > >> echo 'Loading initial ramdisk ...' > >> initrd /initrd.img-4.13.12-amd > >> > >> The driver being used is snd-hda-intel with an Nvidia GT520 video > >> card. And lastly I do not have Pulse or a desktop environment. This is > >> a minimal HTPC setup that runs only an xserver to provide video > >> output, with audio/video being sent to my surround receiver via HDMI. > >> > >> The first thing I noticed was mpv-player was downmixing 5.1 to 3.1 and > >> giving the following log message: > >> > >> [ao/alsa] trying to set ALSA channel map: FL FR FC LFE RL RR > >> [ao/alsa] channel map reported by ALSA: FL FR FC LFE UNKNOWN UNKNOWN > >> [ao/alsa] which we understand as: fl-fr-fc-lfe-na-na > >> [ao/alsa] using the ALSA channel map. > >> [ao/alsa] hw pausing supported: yes > >> [ao/alsa] buffersize: 2720 samples > >> [ao/alsa] period size: 160 samples > >> [ao/alsa] device buffer: 2720 samples. > >> [ao/alsa] using soft-buffer of 8820 samples. > >> [cplayer] AO: [alsa] 44100Hz fl-fr-fc-lfe-na-na (3.1) 6ch s32 > >> [cplayer] AO: Description: ALSA audio output > >> [af] Adding filter lavrresample > >> [lavrresample] Remix: 5.1 -> 3.1 > >> [af] Audio filter chain: > >> [af] [in] 44100Hz 5.1 6ch floatp > >> [af] [lavrresample] 44100Hz fl-fr-fc-lfe-na-na (3.1) 6ch s32 [a] > >> [af] [out] 44100Hz fl-fr-fc-lfe-na-na (3.1) 6ch s32 > >> [af] [ao] 44100Hz fl-fr-fc-lfe-na-na (3.1) 6ch s32 > >> > >> That makes it look like Rear Left/Right channels are absent. I think > >> ran speaker-test. 4 and 5 show as "Unknown" but correctly audibly > >> announced as "front center" and "subwoofer" respectively: > >> > >> ~$ speaker-test -c 6 -t wav > >> > >> speaker-test 1.1.3 > >> > >> Playback device is default > >> Stream parameters are 48000Hz, S16_LE, 6 channels > >> WAV file(s) > >> Rate set to 48000Hz (requested 48000Hz) > >> Buffer size range from 64 to 5440 > >> Period size range from 32 to 2720 > >> Using max buffer size 5440 > >> Periods = 4 > >> was set period_size = 1088 > >> was set buffer_size = 5440 > >> 0 - Front Left > >> 1 - Front Right > >> 3 - Rear Right > >> 2 - Rear Left > >> 4 - Unknown > >> 5 - Unknown > >> > >> Additional information that may be of use: > >> > >> ~$ aplay -l > >> **** List of PLAYBACK Hardware Devices **** > >> card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] > >> Subdevices: 1/1 > >> Subdevice #0: subdevice #0 > >> card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1] > >> Subdevices: 0/1 > >> Subdevice #0: subdevice #0 > >> > >> ~$ cat /proc/asound/card1/eld#0.1 > >> monitor_present 1 > >> eld_valid 1 > >> monitor_name SONY AVAMP > >> > >> connection_type HDMI > >> eld_version [0x2] CEA-861D or below > >> edid_version [0x3] CEA-861-B, C or D > >> manufacture_id 0xd94d > >> product_id 0xf02 > >> port_id 0x200 > >> support_hdcp 0 > >> support_ai 0 > >> audio_sync_delay 0 > >> speakers [0x5f] FL/FR LFE FC RL/RR RC RLC/RRC > >> sad_count 12 > >> sad0_coding_type [0xc] MLP (Dolby TrueHD) > >> sad0_channels 2 > >> sad0_rates [0x1ec0] 44100 48000 88200 96000 176400 192000 > >> sad1_coding_type [0xc] MLP (Dolby TrueHD) > >> sad1_channels 6 > >> sad1_rates [0x1ec0] 44100 48000 88200 96000 176400 192000 > >> sad2_coding_type [0xc] MLP (Dolby TrueHD) > >> sad2_channels 8 > >> sad2_rates [0x6c0] 44100 48000 88200 96000 > >> sad3_coding_type [0xb] DTS-HD > >> sad3_channels 2 > >> sad3_rates [0x1ec0] 44100 48000 88200 96000 176400 192000 > >> sad4_coding_type [0xb] DTS-HD > >> sad4_channels 6 > >> sad4_rates [0x1ec0] 44100 48000 88200 96000 176400 192000 > >> sad5_coding_type [0xb] DTS-HD > >> sad5_channels 8 > >> sad5_rates [0x6c0] 44100 48000 88200 96000 > >> sad6_coding_type [0x1] LPCM > >> sad6_channels 2 > >> sad6_rates [0x1ee0] 32000 44100 48000 88200 96000 176400 192000 > >> sad6_bits [0xe0000] 16 20 24 > >> sad7_coding_type [0x1] LPCM > >> sad7_channels 6 > >> sad7_rates [0x1ee0] 32000 44100 48000 88200 96000 176400 192000 > >> sad7_bits [0xe0000] 16 20 24 > >> sad8_coding_type [0x1] LPCM > >> sad8_channels 8 > >> sad8_rates [0x1ee0] 32000 44100 48000 88200 96000 176400 192000 > >> sad8_bits [0xe0000] 16 20 24 > >> sad9_coding_type [0x2] AC-3 > >> sad9_channels 6 > >> sad9_rates [0xe0] 32000 44100 48000 > >> sad9_max_bitrate 680000 > >> sad10_coding_type [0x7] DTS > >> sad10_channels 6 > >> sad10_rates [0x6e0] 32000 44100 48000 88200 96000 > >> sad10_max_bitrate 1536000 > >> sad11_coding_type [0xa] E-AC-3/DD+ (Dolby Digital Plus) > >> sad11_channels 8 > >> sad11_rates [0xc0] 44100 48000 > >> > >> 02:00.0 VGA compatible controller: NVIDIA Corporation GF119 [GeForce > >> GT 520] (rev a1) (prog-if 00 [VGA controller]) > >> Subsystem: eVga.com. Corp. GF119 [GeForce GT 520] > >> Flags: bus master, fast devsel, latency 0, IRQ 25 > >> Memory at fd000000 (32-bit, non-prefetchable) [size=16M] > >> Memory at f0000000 (64-bit, prefetchable) [size=128M] > >> Memory at fa000000 (64-bit, prefetchable) [size=32M] > >> I/O ports at ec00 [size=128] > >> [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] > >> Capabilities: > >> Kernel driver in use: nvidia > >> Kernel modules: nvidia > >> > >> 02:00.1 Audio device: NVIDIA Corporation GF119 HDMI Audio Controller (rev a1) > >> Subsystem: eVga.com. Corp. GF119 HDMI Audio Controller > >> Flags: bus master, fast devsel, latency 0, IRQ 17 > >> Memory at fea7c000 (32-bit, non-prefetchable) [size=16K] > >> Capabilities: > >> Kernel driver in use: snd_hda_intel > >> Kernel modules: snd_hda_intel > >> _______________________________________________ > >> Alsa-devel mailing list > >> Alsa-devel@alsa-project.org > >> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > >> >